694985 has 8 divisors (see below), whose sum is σ = 862920. Its totient is φ = 536704.

The previous prime is 694979. The next prime is 694987. The reversal of 694985 is 589496.

694985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 182329 + 512656 = 427^2 + 716^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 694985 - 2¹⁰ = 693961 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694985.

It is not an unprimeable number, because it can be changed into a prime (694987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (107865).

2⁶⁹⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

694985 is a deficient number, since it is larger than the sum of its proper divisors (167935).

694985 is a wasteful number, since it uses less digits than its factorization.

694985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827.

The product of its digits is 77760, while the sum is 41.

The square root of 694985 is about 833.6576035760. The cubic root of 694985 is about 88.5778518457.

The spelling of 694985 in words is "six hundred ninety-four thousand, nine hundred eighty-five".